<template>
  <div>
    <aside class="aside-left">
      <el-row class="tac">
        <el-col :span="18">
          <el-menu
            default-active="2"
            class="el-menu-vertical-demo"
            @open="handleOpen"
            @close="handleClose">
            <el-submenu index="1">
              <template #title>
                <i class="el-icon-location"></i>
                <span>导航一</span>
              </template>
              <el-menu-item-group>
                <template #title>分组一</template>
                <el-menu-item index="1-1">选项1</el-menu-item>
                <el-menu-item index="1-2">选项2</el-menu-item>
              </el-menu-item-group>
              <el-menu-item-group title="分组2">
                <el-menu-item index="1-3">选项3</el-menu-item>
              </el-menu-item-group>
              <el-submenu index="1-4">
                <template #title>选项4</template>
                <el-menu-item index="1-4-1">选项1</el-menu-item>
              </el-submenu>
            </el-submenu>
          </el-menu>
        </el-col>
      </el-row>
    </aside>
  </div>
</template>

<script lang="ts">
import { defineComponent } from 'vue'
export default defineComponent ({
  name: 'LeftAside',
  setup: () => {
    
  }
})
</script>

<style lang = "less">
.aside-left {
  width: 280px;
  height: 400px;
  position: fixed;
  padding-left: 0px;
}
</style>
